package com.xhgj.thread;

/**
 * @author 周宇
 * @create 2020-06-27 23:25
 * 观察线程状态
 */
public class StateThread {
    public static void main(String[] args) throws InterruptedException {
        Thread thread = new Thread(() -> {
            for (int i = 0; i < 5; i++) {
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
            System.out.println(".....");
        });

        //观察状态
        Thread.State state = thread.getState();
        System.out.println(state);//NEW

        //观察启动后
        thread.start();//启动线程
        state = thread.getState();
        System.out.println(state);//RUNNABLE

        while (state != Thread.State.TERMINATED) {//TERMINATED 已退出的线程处于此状态
            Thread.sleep(100);
            state = thread.getState();//更新线程状态
            System.out.println(state);//输出转态
        }
    }
}
